Silver
Carle Place Water District
Silver occurs naturally in surface and groundwater and can be added to water as a biocide that inhibits growth of bacteria and algae. Increasingly, the use of antimicrobial nano-sized silver particles in consumer products contributes to silver in water sources used for drinking water.
21
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-21 | 1402B04-001-SEC | ND |
| 2014-02-25 | 1402C87-002-SEC | ND |
| 2014-03-05 | 1403202-002-SEC | ND |
| 2014-03-11 | 1403673-002-SEC | ND |
| 2015-04-07 | 1504384-001-SEC | ND |
| 2015-04-14 | 1504956-003-SEC | ND |
| 2015-04-21 | 1504F41-001-SEC | ND |
| 2015-05-26 | 1505H79-001-SEC | ND |
| 2016-04-05 | 1604431-001-SEC | ND |
| 2016-04-12 | 1604A71-003-SEC | ND |
| 2016-04-19 | 1604H27-003-SEC | ND |
| 2016-04-26 | 1604N41-003A | ND |
| 2017-04-04 | 7014819003-SEC | ND |
| 2017-04-11 | 7015451002-SEC | ND |
| 2017-04-18 | 7016159003-SEC | ND |
| 2018-04-03 | 7046962001-SEC | ND |
| 2018-04-10 | 7047800001-SEC | ND |
| 2018-04-17 | 7048611001-SEC | ND |
| 2019-04-02 | 7084246001-SEC | ND |
| 2019-04-09 | 7085097003-SEC | ND |
| 2019-07-23 | 7098510002-SEC | ND |